ICD-10-CM > M00-M99 > M45-M49 > M48 > M48.5 > M48.56 M48.56 Collapsed vertebra, not elsewhere classified, lumbar region Non-Billable/Non-Specific Codes M48.56XA..., initial encounter for fractureM48.56XD..., subsequent encounter for fracture with routine healingM48.56XG..., subsequent encounter for fracture with delayed healingM48.56XS..., sequela of fracture